ET WEB_SERVER IIS ISN BackDoor Command Get Logpath

Query · suricata

flow:established,to_server;
http.uri;
content:"isn_logpath"; nocase; fast_pattern;
pcre:"/[?&]isn_logpath/i";
Raw source ET WEB_SERVER IIS ISN BackDoor Command Get Logpath · Suricata
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Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (
    msg:"ET WEB_SERVER IIS ISN BackDoor Command Get Logpath";
    flow:established,to_server;
    http.uri;
    content:"isn_logpath"; nocase; fast_pattern;
    pcre:"/[?&]isn_logpath/i";
    reference:url,blog.spiderlabs.com/2013/12/the-curious-case-of-the-malicious-iis-module.html;
    classtype:trojan-activity;
    sid:2017822; rev:8;
    metadata:created_at 2013_12_10, signature_severity Major, updated_at 2020_10_01;
)

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